Download OST File to PST File Backup software to backup Outlook OST file to PST along with all emails, metadata, formatting, and attachments within a minute. The software also allows backup multiple Outlook OST data into PST file format in the one-time process. Every user can efficiently use this program to backup Outlook OST file to PST format even without Outlook configuration. The conversion program is also workable even when Outlook is not installed in a system. All Windows OS and Outlook editions are also well-suited with the OST file to PST file Converter. Trial edition is also available to analyze the software while saving the first 25 items from OST to PST format.